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Interactive projectors allow you to make direct changes to projected images using an electric pen, which is part of the package. They feature built-in sensors that monitor the position of the pen, allowing the user to make changes to the images in the projection, which are then transmitted back to the computer. Besides drawing and writing, electronic pens can also fill in as a computer mouse. Interactive projectors are ideally suited to conference and training rooms as well as classrooms.
ContinueWhat should I look for when choosing an interactive projector?
Projection screen
If you want to use an interactive pen on the screen, we recommend using a hard screen so as not to damage it. In addition, it is important to use the smoothest possible surface to transfer the movements accurately.
Throw distance, diagonal, and image resolution
Before buying a film projector, first determine how far from the screen or wall it will be placed. If the projector isn't placed within its optimum projection distance, it won't provide a sufficiently sharp image. Generally, the further you place the projector from the screen or wall, the larger the size of the projected image.
| Projection distance | Diagonal | Suitable native resolution |
| 2 m | 1 to 1.6 m | HD or higher |
| 3 m | 1.6 to 2.4 m | HD or higher |
| 4 m | 2 to 3.2 m | Full HD or higher |
| 5 m | 2.5 to 4 m | Full HD or higher |
Read about the difference between the native and maximum resolution of a projector .
Luminosity
- Up to 2000 lumens - suitable for darkened rooms with minimal lighting.
- 2000-3000 lumens - recommend for less well-lit rooms.
- Over 3,000 lumens - provides a highly visible projection, even in daylight.
Technology
- DLP projectors - have excellent contrast and shadow detail. Compared with LCD projectors, they require less maintenance (no need to clean the dust). The disadvantage is that fast moving objects may cause a rainbow effect on the canvas.
- With halogen lamp - compared with LED projectors, they are often larger in size with higher luminance and power consumption.
- With LEDs - generally smaller in size; they offer low power consumption, but also lower luminosity.
- LCD projectors - outstanding colour reproduction. Compared with DLP projectors, they are more prone to rainbow effect but are quieter. They are also slightly more difficult to maintain (some models have a dust filter, which must be cleaned from time to time).
Connection
Before buying, make sure the projector has at least one same port as the device to which you plan to connect it. If not, you won't be able to connect to the projector.
HDMI
D-SUB (VGA)
Composite
Component
Useful functions and features
- Remote control - allows convenient operation and setup of the projector.
- Built-in speakers - ideal for those planning to show films and videos.
- Wi-Fi - project slideshows, movies and videos wirelessly from your computer.
- Zoom - resize the image without moving the projector.
- PiP (Picture in Picture) - allows you to project two different presentations or videos simultaneously.
- USB port - project films, videos or presentations without your PC via an external memory drive.
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BenQ MW820ST Short Throw
Projector - DLP, PointWrite interactive feature, nat. WXGA 16:10 (1280x800), max. UXGA (1600x1200), 3000 ANSI lm, contrast 12000:1, HDMI, 10W speaker, DLP Link 3D projection
The exceptional BenQ MW820ST is an ideal interactive solution, for classrooms and meeting rooms, built with the latest DLP® technology to support 3D functionality...
Epson EB-536Wi
Projector - 3LCD, Short Throw, interactive, WXGA (1280x800), 3400 ANSI lm, 16,000:1, HDMI, USB, VGA, LAN, RS-232C, S-Video, 16 W speaker
The EB-536Wi delivers superior-quality images and a host of additional features as standard to give users more for their money. Ideal for classrooms or small meeting rooms, this projector can be wall or ceiling mounted. It also includes a range of interactive features, including a fast-syncing pen for precise writing, which are available to use straight out of the box.
Optoma EH319USTi
Projector - DLP, nat. Full HD (1920x1080), 16:9, 4:3, FULL 3D, 3500 ANSI lm, contrast of 18000:1, 2x HDMI, 2x VGA, RS232, USB, RJ45, 12V, 16W speaker, 2x pen
The Optoma EH319USTi is a projector designed primarily for short-distance projection. With an ultra-short throw lens and a throw ratio of 0.25:1, it can project a 100” image from just 55cm away.
Dell S320wi
Projector - DLP, XGA (1024 x 768), 3000 ANSI lm, contrast 2200:1, Wi-Fi, 2x VGA, HDMI, USB, mini USB, RJ45, speaker (NBD On-Site)
The S series specializes in short-distance projection, so that the image is not impaired by potential shadows and the person speaking not...
Dell S320
Projector - DLP, nat. XGA (1024x768), 3000 ANSI lm, contrast 2200:1, 2x VGA, HDMI, mini USB, speakers, next business day on site service
The series specialises in short distance from the screen so that the images do not impair cast shadows and speakers not dazzle. Model S320 offers...
Optoma X320USTi
Projector - DLP, interactive, nat. XGA (1024x768), 4: 3, 16:9 FULL 3D, 4000 ANSI lumens, contrast of 20,000:1, 2x HDMI, 2x VGA, RS232, USB, RJ45, 12V, 16W speakers, 2x IR pen
One of the main advantages of this powerful wide-angle projector is its compact size and low weight, making it easily portable. With an ultra-short throw lens, you can project an impressive image greater than 100” from less than 0.5m away...
Optoma X319USTir
Projector - DLP, interactive, nat. XGA (1024x768), 4: 3, 16: 9 FULL 3D, 3,200 ANSI lumens, contrast of 18,000: 1, 2x HDMI, 2x VGA, RS232, USB, RJ45, 12V, 16W speakers, 2x IR pen
This powerful wide-angle projector attracts mainly by its small size and low weight, making it easily movable. With an ultra-short throw lens, you can project an impressive image greater than 100” from less than 0.5m away...
Optoma W320USTi
Projector - DLP, interactive, nat. WXGA (1280x800), 16:10 FULL 3D, 4,000 ANSI lm, contrast of 20,000:1, 2x HDMI, 2x VGA, RS232, USB, RJ45, 12V, 16W speakers, 2 pens
This powerful wide-angle projector attracts mainly by its small size and low weight, making it easily movable. With an ultra-short throw lens, you can project an impressive image greater than 100” from less than 0.5m away...